摘要 |
<p>To correct a picture element, a picture element (C2) to be corrected is designated and the designated picture element (C2) is drawn with a line of a different kind and a different color from other picture elements while the picture elements (S1, C1) used for defining the designated picture element (C2) are drawn with lines of different kinds and different colors. A message (M) containing a radius necessary for definition statement of the picture elements (S1, C1) and for defining the picture element (C2) is displayed on a display, and correction of the picture element is conducted by referring to this display.</p> |